The planting of Dioscorea zingiberensis in Yishui County has a long history, with large planting area, high yield, excellent quality, spicy and delicious taste, and has a good market reputation. It is one of the famous specialties in Shandong Province. Yishui County is located in the hilly area of south-central Shandong Province, with a warm temperate monsoon climate, four distinct seasons and the same period of rain and heat. The soil type is mainly brown soil with good texture and high organic matter content, which is suitable for the growth of crops such as ginger.